Armchair frame



FIG. 1 is a perspective view of an armchair frame illustrating my new design;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a left perspective view thereof;

FIG. 4 is a front perspective view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of a the fabric cover is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an armchair frame, as shown and described. 